Although Image Scaling and Nvidia’s Deep Learning Super Sampling (DLSS) achieve the same goal, you shouldn’t confuse them. Image Scaling is based on a new upscaling algorithm, which uses ...

Conversely, the image scaler in an HDTV set that displays only 720 lines of resolution (720p) can reduce (scale down/downconvert) a 1080-line HD signal to fit the screen's native 720 lines.

Nvidia Image Scaling even has an in-game overlay that should show the results in real-time. It's done through GeForce Experience, which can also be used to configure Nvidia Image Scaling.